WELLINGTON MANAGEMENT GROUP LLP
Position in TMO — Thermo Fisher Scientific Inc.
CIK 902219
Boston, MA
Position in TMO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$726,604,711
-$1,283,066,953 QoQ
Shares Held
1,478,251
-57.4% QoQ
Ownership
0.398%
of shares outstanding
% of Portfolio
0.14%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 99.06842613331565.ToString("F0")%
None 0.9315738666843453.ToString("F0")%
Common Shares in TMO Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026WELLINGTON MANAGEMENT GROUP LLP holds $8,226,619,826 across 24 Diagnostics & Research names. TMO ranks #4 (8.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
14,774,524 | $2,801,249,746 | |
| 2 | NTRA |
Natera, Inc.
|
4,768,593 | $953,670,911 | |
| 3 | A |
Agilent Technologies, Inc.
|
7,256,433 | $827,088,230 | |
| 4 | TMO |
Thermo Fisher Scientific Inc.
This page
|
1,478,251 | $726,604,711 | |
| 5 | ICLR |
Icon PLC
|
5,913,037 | $654,336,671 | |
| 6 | QGEN |
Qiagen N.V.
|
14,364,303 | $575,146,689 | |
| 7 | IDXX |
Idexx Laboratories Inc /De
|
735,475 | $413,256,044 | |
| 8 | CRL |
Charles River Laboratories International, Inc.
|
1,629,401 | $281,071,670 |
All Filings in TMO
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $726,604,711 | 1,478,251 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $2,009,671,664 | 3,468,240 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $1,309,292,085 | 2,699,460 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $579,511,407 | 1,429,269 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $794,027,782 | 1,595,715 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $742,863,466 | 1,427,952 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $1,564,138,984 | 2,528,637 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,673,311,640 | 3,025,880 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $1,784,620,993 | 3,070,527 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $1,586,074,826 | 2,988,140 | Shares | Defined | 2024-02-12 | |
| 2023-09-30 | $1,559,351,335 | 3,080,687 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,464,146,847 | 2,806,223 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $1,665,776,154 | 2,890,116 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $1,615,653,417 | 2,933,871 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $1,489,203,667 | 2,936,185 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $1,626,767,749 | 2,994,345 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $1,781,329,518 | 3,015,880 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $2,033,568,697 | 3,047,732 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $1,824,824,588 | 3,193,994 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $2,086,173,127 | 4,135,376 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $2,357,195,393 | 5,164,984 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $3,400,271,315 | 7,300,166 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $3,411,001,611 | 7,725,588 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $2,806,892,531 | 7,746,571 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $2,136,110,646 | 7,532,125 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||